Rainbow Electronics MAX977 - Manual (Page 3)

MAX975/MAX977
Single/Dual, +3V/+5V Dual-Speed
Comparators with Auto-Standby
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ELECTRICAL CHARACTERISTICS (continued)
(V CC = +2.7V to +5.25V, specifications are for high-speed mode, T A = -40°C to +85°C, unless otherwise noted. Typical values are at
T
A
= +25°C.) (Note 1)
C LOAD = 10pF,
V CC = 5V
I SINK = 2mA, all modes
High-speed mode,
overdrive = 5mV
Low-power mode,
overdrive = 10mV
I
SOURCE
= 2mA, all modes
CONDITIONS
µs 0.82 1.6
ns 28 50
t
PD+
Propagation Delay, Low to High
(Note 6)
V 0.1 0.4 V OL OUT_ Output Voltage Low
V 0.7 x V CC V CC / 2 V LPIH LP Input Voltage High
V V CC - 0.4 V CC - 0.1 V OH OUT_ Output Voltage High
UNITS MIN TYP MAX SYMBOL PARAMETER
V V
CC
/ 2 0.3 x V
CC
V
LPIL
LP Input Voltage Low
µA
(Note 5)
0.01 ±1 I LPB LP Input Current
µs 10 t LP LP Fall Time
V CC = 3V µA 0.15 I STO STO_ Source Current
V V
CC
/ 2 0.3 x V
CC
V
CIL
STO_ Input Voltage Low
C LOAD = 10pF,
V
CC
= 5V
High-speed mode,
overdrive = 5mV
Low-power mode,
overdrive = 10mV
µs 0.48 1.6
ns 28 50
t PD-
Propagation Delay, High to Low
(Note 6)
C LOAD = 10pF ns 2 t SKEW Propagation-Delay Skew (Note 6)
MAX977 only, C LOAD = 10pF ns 1
∆
t PD Propagation-Delay Matching
C LOAD = 10pF,
V
CC
= 5.0V
High-speed mode
Low-power mode 1.6
ns
1.6
Rise/Fall Time
I
SOURCE
= 3mA, all modes V V CC - 0.4 V
SH
STAT_ Output Voltage High
I SINK = 400µA, all modes V 0.4 V SL STAT_ Output Voltage Low
DIGITAL INPUTS
DIGITAL OUTPUTS
Note 1: The MAX975EUA is 100% production tested at T A = +25 ° C; all temperature specifications are guaranteed by design.
Note 2: Inferred by CMRR. Either input can be driven to the absolute maximum limit without false output inversion, as long as the
other input is within the specified common-mode input voltage range.
Note 3: V OS is defined as the mean of trip points. The trip points are the extremities of the differential input voltage required to make
the comparator output change state (Figure 1).
Note 4: The difference between the upper and lower trip points is equal to the width of the input-referred hysteresis zone (Figure 1).
Note 5: Guaranteed by design. The LP pin is sensitive to noise. If fall times larger than 10µs are expected, bypass LP to ground
using a 0.1µF capacitor.
Note 6: Propagation delay is guaranteed by design. For low-overdrive conditions, V OS is added to the overdrive. The following
equation defines propagation-delay skew: t SKEW = t PD+ - t PD- .